Question

when solid camphor is exposed to air,it changes into gaseous state.It is a physical change.Name the process that takes place.Could you give another example for such process?

Answer 1

when solid camphor is exposed to air,it changes into gaseous state.It is a physical change. this process os called sublimation.

for eg. naphthalene balls when exposed to air, changes into gaseous form.

hope this will help